12022251242543 has 4 divisors (see below), whose sum is σ = 12655001307960. Its totient is φ = 11389501177128.

The previous prime is 12022251242461. The next prime is 12022251242591. The reversal of 12022251242543 is 34524215222021.

12022251242543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12022251242543 - 2¹⁴ = 12022251226159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022251442543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316375032680 + ... + 316375032717.

It is an arithmetic number, because the mean of its divisors is an integer number (3163750326990).

Almost surely, 2^{12022251242543} is an apocalyptic number.

12022251242543 is a deficient number, since it is larger than the sum of its proper divisors (632750065417).

12022251242543 is an equidigital number, since it uses as much as digits as its factorization.

12022251242543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632750065416.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 12022251242543 its reverse (34524215222021), we get a palindrome (46546466464564).

The spelling of 12022251242543 in words is "twelve trillion, twenty-two billion, two hundred fifty-one million, two hundred forty-two thousand, five hundred forty-three".